Laser cutting machine capable of expanding stroke

Abstract

The utility model discloses a laser cutting machine capable of expanding stroke, which belongs to the technical field of laser processing, and comprises a first track, a laser cutting device, a second track, a laser cutting driving device and a transmission carrier, the second rail is arranged on one side of the first rail, the laser cutting driving device is connected to the second rail in a sliding mode, the laser cutting driving device is connected with the laser cutting device through the fixed-length transmission carrier, and through the laser cutting device and the laser cutting driving device which are installed separately, the laser cutting device and the laser cutting driving device are connected in a sliding mode. The laser cutting driving device is prevented from being influenced by the outside and reducing the quality, so that the efficiency and the precision of laser cutting processing are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser processing, in particular to a laser cutting machine with an expandable travel range. Background Art

[0002] Laser processing is widely used in material processing as an efficient and high-precision processing method. The basic structural forms of laser cutting machines include gantry laser cutting machines and desktop laser cutting machines. For laser cutting machines of the same power, the main components include laser generators, chillers, cutting heads, control systems and drive parts. However, the effective cutting format of desktop laser cutting machines is limited by the area of ​​their processing platforms, and cannot be flexibly changed according to the materials to be processed, which limits the scope of use. Gantry laser cutting machines can achieve large-format material processing by expanding tracks and moving the laser cutting drive device, and connecting the laser cutting head and the drive part with control cables. When the longitudinal length of the current gantry laser cutting machine is relatively large, the length of components such as connecting cables will affect the cutting efficiency and cutting power of the laser cutting head. Excessively long connecting cables and continuously moving laser cutting drive devices also affect the stability of the laser cutting device. Especially for the optical fiber of a high-power laser cutting device, the astigmatism and attenuation of the laser will become larger when the distance is too long, which reduces the cutting power and the cost of using optical fiber becomes too high.

[0003] The existing patent application with publication number CN114101933A discloses an environmentally friendly double-beam large-format ground-rail laser cutting machine, including a ground-rail bed, the top of which is slidably mounted with a main beam, the top of which is slidably connected with a secondary beam, the inner wall of which is fixedly connected with a workbench, and the laser is fixedly mounted on the top of the secondary beam. This patent application sets a floating structure, which enables the slider and the guide rail to connect the main beam and the bottom plate, and can compensate for the lateral deformation of the beam to ensure smooth operation. This double-beam large-format ground-rail laser cutting machine installs the laser and the auxiliary part of the driving laser on the beam respectively, and extends the cutting width by following the movement. However, the above-mentioned laser cutting machine puts a lot of pressure on the track when in operation, and the movement between the two beams will have a mutual influence, reducing the efficiency and accuracy of the laser cutting process. Utility Model Content

[0004] The utility model aims to provide a laser cutting machine with an expandable travel range, which solves the problem that the beam parts of existing large-format laser cutting machines have large mass and mutual influence, resulting in low laser cutting processing efficiency and precision.

[0005] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is as follows:

[0006] A laser cutting machine with an expandable stroke comprises a first track and a laser cutting device, wherein the laser cutting device is slidably connected to the first track, and further comprises a second track, a laser cutting drive device and a transmission carrier, wherein the second track is arranged on one side of the first track, the laser cutting drive device is slidably connected to the second track, and the laser cutting drive device is connected to the laser cutting device via the fixed-length transmission carrier. By separately installing the laser cutting device and the laser cutting drive device, the laser cutting drive device is protected from external influences and quality reduction, thereby improving the efficiency and accuracy of laser cutting processing.

[0007] Furthermore, the second track is shorter than the first track, and both ends of the second track are within the travel range of the first track, which shortens the moving distance of the laser cutting drive device, reduces the laying length of the second track, and saves costs.

[0008] Furthermore, the second track includes a plurality of stop points, which are arranged at both ends and the middle of the second track, and the distance between two adjacent stop points is equal. Each stop point corresponds to a fixed working area on the first track, and the plurality of working areas are connected end to end. By fixing the stop points, frequent movement of the laser cutting drive device can be avoided.

[0009] Furthermore, the second track also includes a plurality of position sensors, and the plurality of position sensors are arranged at the plurality of stop points in a one-to-one correspondence, and are used to locate the position of the laser cutting drive device.

[0010] Preferably, a distance sensor is further included, and the distance sensor is used to judge the distance between the laser cutting device and the laser cutting drive device to prevent the laser cutting device and the laser cutting drive device from exceeding the limit and being damaged.

[0011] Preferably, the first track and the second track are both made of multiple track sections spliced ​​end to end, so that the cutting area can be flexibly expanded.

[0012] Preferably, the laser cutting drive device includes a drive cabinet, a cooling cabinet, a control cabinet and a pulley, and the drive cabinet, cooling cabinet and control cabinet are all arranged on the pulley, and the pulley is slidably connected to the second track. The pulley can actively move on the second track to provide signals, power and energy to the laser cutting device.

[0013] Preferably, the transmission carrier includes optical fibers, cables and cooling pipes for transmitting signals, power and energy.

[0014] Preferably, the laser cutting device comprises a moving beam and a laser cutting head, wherein the moving beam is slidably connected to the first track, and the laser cutting head is slidably connected to the moving beam, so that the laser cutting head can move freely within the cutting format.

[0015] Preferably, a cutting platform is further included, and the cutting platform is arranged within the coverage area of ​​the first track to support the material to be cut.

[0016] The beneficial effects of the utility model are:

[0017] (1) The laser cutting machine with an expandable stroke is provided with two tracks, on which a laser cutting device and a laser cutting driving device are arranged respectively. The laser cutting device and the laser cutting driving device are connected via a fixed-length transmission carrier. By separating the laser cutting device and the laser cutting driving device, the pressure on the tracks is reduced. There is no mutual influence between the two devices connected via the transmission carrier, which reduces the weight of the laser cutting device and improves the working efficiency and accuracy of the laser cutting device.

[0018] (2) The second track of the laser cutting machine with an expandable stroke is provided with a plurality of stop points. By dividing the stop points, it is determined that each stop point corresponds to the working area of ​​the first track. When the laser cutting device switches between different working areas, the laser cutting drive device can rely on the corresponding stop points. The laser cutting drive device does not need to move with the laser cutting device, which reduces the movement distance and can also realize large-format laser cutting processing. The use cost is low and the efficiency and accuracy of the laser cutting device working independently are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A plan view of the structure of the laser cutting machine with expandable stroke provided by the utility model;

[0020] Figure 2 A schematic diagram of the working state of the laser cutting machine with an expandable stroke provided by the utility model;

[0021] Reference numerals:

[0022] 1. First track; 2. Laser cutting device; 21. Moving beam; 22. Laser cutting head; 3. Second track; 31. Stop point; 32. Position sensor; 4. Laser cutting drive device; 41. Drive cabinet; 42. Cooling cabinet; 43. Control cabinet; 44. Pulley; 5. Working area. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 2 As shown, this embodiment discloses a laser cutting machine with an expandable stroke, including a first track 1, a laser cutting device 2, a second track 3, a laser cutting drive device 4 and a transmission carrier, the laser cutting device 2 is slidably connected to the first track 1, the second track 3 is arranged on one side of the first track 1, and the second track 3 is parallel to and spaced from the first track 1, the laser cutting drive device 4 is slidably connected to the second track 3, the laser cutting drive device 4 is connected to the laser cutting device 2 through a fixed-length transmission carrier, the laser cutting device 2 and the laser cutting drive device 4 are respectively arranged on different tracks, and the two will not affect each other when working and moving, the laser cutting drive device 4 can output stable power and control signals to the laser cutting device 2, thereby improving the cutting efficiency of the laser cutting drive device 4.

[0025] In fact, the attenuation rate of the carrier used to transmit laser increases with the distance. Using a transmission carrier of appropriate length can balance energy loss and manufacturing cost.

[0026] Furthermore, the second track 3 is shorter than the first track 1, and both ends of the second track 3 are within the travel range of the first track 1. By extending the fixed-length transmission carrier to cover the entire first track 1, the layout length of the second track 3 can be reduced, construction costs can be saved, and the moving distance of the laser cutting drive device 4 on the second track 3 during cutting can be shortened.

[0027] Furthermore, the second track 3 includes a plurality of stop points 31, which are arranged at both ends and the middle of the second track 3, and the distance between two adjacent stop points 31 is equal. Each stop point 31 corresponds to a fixed working area on the first track 1, and the plurality of working areas are connected end to end. The plurality of working areas are combined to form a working platform 5 for material processing. The laser cutting drive device 4 moves between the fixed stop points 31 in an intermittent manner. The laser cutting drive device 4 is free from frequent movement, thereby shortening the total moving distance and reducing energy consumption.

[0028] Preferably, the second track 3 also includes a plurality of position sensors 32, and the plurality of position sensors 32 are arranged one by one at a plurality of stop points 31. The position sensor 32 is used to transmit the in-position signal of the laser cutting drive device 4 to the control cabinet, so as to timely schedule the position of the laser cutting drive device 4 to match the laser cutting device 2, thereby ensuring that the laser cutting device 2 can work continuously in a large-format working area.

[0029] More preferably, it also includes a distance sensor, which is used to determine the distance between the laser cutting device 2 and the laser cutting drive device 4. The distance sensor is used to detect the position of the laser cutting device 2 in real time to ensure that the laser cutting device 2 can work stably within the working area and prevent damage to the transmission carrier due to exceeding the working area; the distance sensor adopts an optical fiber sensor, which is used for large-format laser cutting machines, and is flexible in layout and easy to adjust.

[0030] Preferably, the first track 1 and the second track 3 are both made of multiple sections of tracks spliced ​​end to end, and the working area of ​​the laser cutting machine can be flexibly and conveniently expanded through splicing to meet the cutting and processing requirements of large-size materials.

[0031] Preferably, the laser cutting drive device 4 includes a drive cabinet 41, a cooling cabinet 42, a control cabinet 43 and a pulley 44. The drive cabinet 41, the cooling cabinet 42 and the control cabinet 43 are all arranged on the pulley 44. The pulley 44 is slidably connected to the second track 3. The pulley 44 can actively move on the second track 3. The pulley 44 drives the drive cabinet 41, the cooling cabinet 42 and the control cabinet 43 to move between the positioning points 31 on the second track 3 to ensure that the laser cutting device 2 completes the cutting work in the working area and between the working areas. The pulley 44 moves in an intermittent manner to reduce energy consumption, noise and vibration generated by movement.

[0032] Preferably, the transmission carrier includes optical fiber, cable and cooling pipeline. The optical fiber is used to transmit light energy to the laser cutting head 22, the cable is used for power and signal transmission, and the cooling pipeline is used to transmit refrigerant. The driving part is installed separately from the laser cutting head 22 to reduce the load on the moving beam 21, which can increase the cutting speed and cutting acceleration of the laser cutting head 22, thereby improving the cutting processing accuracy and efficiency.

[0033] Preferably, the laser cutting device 2 comprises a moving beam 21 and a laser cutting head 22. The moving beam 21 is slidably connected to the first track 1, and the laser cutting head 22 is slidably connected to the moving beam 21, so as to realize laser cutting processing in a plane.

[0034] Preferably, a cutting platform 5 is further included. The cutting platform 5 is arranged within the coverage of the first track 1. The cutting platform 5 is assembled to support the material to be cut and to flexibly expand the format.

[0035] The use process of the laser cutting machine is as follows:

[0036] According to the requirements of the cutting material, select a suitable size of the cutting platform 5, match the length of the first track 1 and the second track 3 with the cutting platform size 5, complete the parallel assembly of the first track 1 and the second track 3 on the foundation, take the laser cutting device 2 and install it on the first track 1, take the laser cutting drive device 4 and install it on the second track 3, take a transmission carrier to connect the laser cutting device 2 and the laser cutting drive device 4, set a stop point 31 on the first track 1 and install a position sensor 32 on the stop point 31, when performing laser cutting processing, control the laser cutting device 2 to perform cutting action through the cutting program, and the laser cutting drive device 4 moves intermittently between different stop points 31 according to the moving position of the laser cutting device 2.

[0037] According to the disclosure and teaching of the above description, the technical personnel in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes of the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.

Claims

1. A laser cutting machine with an extendable stroke, comprising a first track (1) and a laser cutting device (2), wherein the laser cutting device (2) is slidably connected to the first track (1), and characterized in that: It also comprises a second track (3), a laser cutting drive device (4) and a transmission carrier, wherein the second track (3) is arranged on one side of the first track (1), the laser cutting drive device (4) is slidably connected to the second track (3), and the laser cutting drive device (4) is connected to the laser cutting device (2) via the fixed-length transmission carrier.

2. The laser cutting machine with an extendable stroke according to claim 1, characterized in that: The second track (3) is shorter than the first track (1), and both ends of the second track (3) are within the travel range of the first track (1).

3. The laser cutting machine with an extendable stroke according to claim 2, characterized in that: The second track (3) comprises a plurality of stop points (31), the plurality of stop points (31) being arranged at both ends and a middle portion of the second track (3), the distance between two adjacent stop points (31) being equal, each stop point (31) corresponding to a fixed working area on the first track (1), and the plurality of working areas being connected end to end.

4. The laser cutting machine with an extendable stroke according to claim 3, characterized in that: The second track (3) further comprises a plurality of position sensors (32), wherein the plurality of position sensors (32) are arranged at the plurality of stop points (31) in a one-to-one correspondence.

5. The laser cutting machine with an extendable stroke according to claim 4, characterized in that: It also comprises a distance sensor, which is used to determine the distance between the laser cutting device (2) and the laser cutting drive device (4).

6. The laser cutting machine with expandable travel according to claim 1, characterized in that: The first track (1) and the second track (3) are both made by splicing a plurality of track sections end to end.

7. The laser cutting machine with an extendable stroke according to claim 1, characterized in that: The laser cutting drive device (4) comprises a drive cabinet (41), a cooling cabinet (42), a control cabinet (43) and a pulley (44); the drive cabinet (41), the cooling cabinet (42) and the control cabinet (43) are all arranged on the pulley (44); the pulley (44) is slidably connected to the second track (3); and the pulley (44) can actively move on the second track (3).

8. The laser cutting machine with an extendable stroke according to claim 7, characterized in that: The transmission carrier includes optical fibers, cables and cooling pipelines.

9. The laser cutting machine with an extendable stroke according to claim 1, characterized in that: The laser cutting device (2) comprises a moving crossbeam (21) and a laser cutting head (22); the moving crossbeam (21) is slidably connected to the first track (1); and the laser cutting head (22) is slidably connected to the moving crossbeam (21).

10. The laser cutting machine with an extendable stroke according to any one of claims 1 to 9, characterized in that: It also comprises a cutting platform (5), wherein the cutting platform (5) is arranged within the coverage area of ​​the first track (1).

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